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Seven years of TanDEM-X: Volume loss of grosser Aletschgletscher, Switzerland

Leinss, Silvan and Hajnsek, Irena (2018) Seven years of TanDEM-X: Volume loss of grosser Aletschgletscher, Switzerland. In: 38th annual symposium of the IEEE Geoscience and Remote Sensing Society (GRSS) (851930), pp. 372-375. IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2018-07-22 - 2018-07-27, Valencia, Spain. DOI: 10.1109/IGARSS.2018.8519304 ISBN 978-1-5386-7150-4 ISSN 2153-7003

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Official URL: https://ieeexplore.ieee.org/document/8519304

Abstract

Grosser Aletschgletscher, the largest glacier in the European Alps, contains 20% of the entire Swiss ice mass. However, mass balance simulations based on current climate models predict 90% mass loss by 2100. The glacier is a super-testsite for the TanDEM-X satellite mission and data series starting from 2011 are available. In this study we analyzed almost 100 digital elevation models computed from bistatic radar in-terferograms and compare the derived height loss with model predictions. Additionally, we used patch-based offset tracking to determine a new velocity map of the complete glacier. The results show that the current height loss of 3.3 meters per year is close to that mass balance simulation which uses the ensemble median of common European climate models which predict, relative to 1999, a warming of 4.3°C by 2100.

Item URL in elib:https://elib.dlr.de/127335/
Document Type:Conference or Workshop Item (Speech)
Title:Seven years of TanDEM-X: Volume loss of grosser Aletschgletscher, Switzerland
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Leinss, SilvanETH ZurichUNSPECIFIED
Hajnsek, IrenaUNSPECIFIEDUNSPECIFIED
Date:2018
Journal or Publication Title:38th annual symposium of the IEEE Geoscience and Remote Sensing Society (GRSS)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.1109/IGARSS.2018.8519304
Page Range:pp. 372-375
Publisher:IEEE
Series Name:IEEE Xplore Digital Library
ISSN:2153-7003
ISBN:978-1-5386-7150-4
Status:Published
Keywords:TanDEM-X, grosser Aletschgletscher, digital elevation, bistatic radar
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Valencia, Spain
Event Type:international Conference
Event Dates:2018-07-22 - 2018-07-27
Organizer:IEEE GRSS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Sicherheitsrelevante Erdbeobachtung
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Radzuweit, Sibylle
Deposited On:09 May 2019 13:41
Last Modified:31 Jul 2019 20:25

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